2431897 has 4 divisors (see below), whose sum is σ = 2618980. Its totient is φ = 2244816.

The previous prime is 2431879. The next prime is 2431909. The reversal of 2431897 is 7981342.

2431897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 633616 + 1798281 = 796^2 + 1341^2 .

It is a cyclic number.

It is not a de Polignac number, because 2431897 - 2¹⁵ = 2399129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2431837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93522 + ... + 93547.

It is an arithmetic number, because the mean of its divisors is an integer number (654745).

2^2431897 is an apocalyptic number.

It is an amenable number.

2431897 is a deficient number, since it is larger than the sum of its proper divisors (187083).

2431897 is a wasteful number, since it uses less digits than its factorization.

2431897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187082.

The product of its digits is 12096, while the sum is 34.

The square root of 2431897 is about 1559.4540711416. The cubic root of 2431897 is about 134.4771177612.

The spelling of 2431897 in words is "two million, four hundred thirty-one thousand, eight hundred ninety-seven".